Only 16 gigabytes allowed for DDR4 memory
Only 16 gigabytes allowed for DDR4 memory
You might need the second stick in the incorrect position or your iGPU is configured for 16GB RAM. Verify the sticks aren’t adjacent and there’s space between them. If this isn’t the problem, follow the advice given and reinitialize your BIOS settings.
Remove the CMOS battery and ensure the power cord is disconnected. Wait ten minutes, then reinstall the battery and cord to test.
They had already done that. Checked the thread "cometely" before posting.